CN115507222A - Air pipe installation device and installation method - Google Patents

Abstract

The invention belongs to the technical field of air pipe installation, and particularly discloses an air pipe installation device, which comprises: the hoisting unit comprises a cross arm and two symmetrically arranged support hangers, each support hanger comprises a lower suspender and an upper suspender fixed on the beam, and two ends of the cross arm are respectively connected with the two lower suspenders; the upper suspender is connected with a connecting column, one side of the connecting column is connected with a supporting plate, the lower suspender is connected with a lower connecting piece, and the lower connecting piece can be lapped on the supporting plate to realize limiting; and the butt joint unit is used for connecting two adjacent air pipes. The invention can shorten the working time of workers working at high altitude, thereby improving the safety and the installation efficiency.

Description

Air pipe installation device and installation method

Technical Field

The invention relates to the technical field of air pipe installation, in particular to an air pipe installation device and an air pipe installation method.

Background

The volume and the weight of the air exhaust galvanized steel pipe of the industrial factory building are very large, the weight of a single galvanized air pipe with the side length of 2000 can reach 65 kg, and the actual installation height of the factory is high, so that the situation that a scissor fork truck for conveying the air pipe cannot pass through or reach the factory building in some places is caused.

The traditional air pipe installation mode needs to set up a scaffold at an installation place to overcome the problem that the transportation height of a scissor truck is not enough so as to assist constructors in butt joint and installing the air pipe.

In addition, an electric hoist is required to be erected in advance for hoisting a large air pipe, a hanging bracket is erected in the air pipe installation process, the hanging bracket is prefabricated on a steel structure beam, the prefabricated air pipe is hoisted to the installation position after being processed, then a cross arm is installed, the two ends of the cross arm are connected with the hanging bracket, the air pipe is placed on the installed cross arm, and the cross arm and the hanging bracket play a role in supporting the air pipe. Finally, air pipes placed on the cross arms need to be butted, the air pipes need to be butted at a high position, workers need to use rivet guns to rivet the flange edges of the air pipes butted with each other in the process of installing the cross arms on the supporting hangers and butting the air pipes by adopting the traditional scheme, all the operations are under the condition of high-position operation, multiple groups of cross arms and supporting hangers are usually needed to be connected on site, the connection process is complex and troublesome, the high-position operation time is long, and the danger caused to the workers is relatively larger.

Disclosure of Invention

The invention provides an air duct installation device and an air duct installation method, aiming at shortening the operation time of workers working at a high place and improving the safety.

The invention is realized by the following technical scheme: an air duct mounting arrangement comprising:

the hoisting unit comprises a cross arm and two symmetrically arranged support hangers, each support hanger comprises a lower suspender and an upper suspender fixed on the beam, and two ends of the cross arm are respectively connected with the two lower suspenders; the upper suspender is connected with a connecting column, one side of the connecting column is connected with a supporting plate, the lower suspender is connected with a lower connecting piece, and the lower connecting piece can be lapped on the supporting plate to realize limiting;

and the butt joint unit is used for connecting two adjacent air pipes.

Compared with the prior art, the invention has the following advantages and beneficial effects:

the structure of a gallows in the hoist and mount unit has been divided into two parts about last jib and the jib down in this scheme, need use multiunit hoist and mount unit in the in-service use process, and need prefabricate the one end of going up the jib in advance on the roof beam of steel construction or civil engineering structure in the factory building, and spliced pole and the backup pad on the last jib are the state of hanging.

And jib and cross arm are connected in advance at the processing place down, can place the tuber pipe in advance like this or fix on the cross arm, the rethread loop wheel machine carries out hoist and mount in batches, the in-process of hoist and mount with the tuber pipe on with cross arm and the cross arm together hang the mounted position, and can realize the high-speed joint of last jib and lower jib on the backup pad on the spliced pole of being connected with last jib with lower connecting piece direct overlap joint on the jib down, thereby realize the support to the tuber pipe at the high altitude, and this in-process need not additionally to increase the construction step at the high altitude to be connected with cross arm and a gallows, thereby effectual time of shortening high altitude construction, and then the efficiency and the security of effectual improvement workman's installation tuber pipe.

After the air pipes are lifted to the installation positions and the upper suspension rods and the lower suspension rods are connected, the adjacent air pipes are in butt joint through the butt joint units, and then the air pipes can be installed.

Furthermore, the butt joint unit comprises a first shearing force arm and a second shearing force arm which are arranged in a mutually crossed manner, the first shearing force arm and the second shearing force arm are rotatably connected, and a spring is connected between the rear end of the first shearing force arm and the rear end of the second shearing force arm; the front end of the first shearing force arm and the front end of the second shearing force arm are both vertically connected with limiting blocks, and the two limiting blocks are arranged back to back;

a first sliding block and a second sliding block are connected between the front end of the first shearing arm and the front end of the second shearing arm, one end of the first sliding block is rotationally connected with the first shearing arm, and one end of the second sliding block is rotationally connected with the second shearing arm;

first sliding block with curved spout has all been seted up on the second sliding block, the other end of second sliding block is connected with the slip post, the slip post inserts in the spout of first sliding block and can along the spout of first sliding block slides.

Has the advantages that: the butt joint unit of this scheme is worn to establish in this scheme through the flange hole at the angle steel flange of tuber pipe one end in advance, with the first sliding block of first shearing arm and second shearing arm front end, second sliding block and stopper pass the flange hole, after adjacent two sets of tuber pipes were hoisted to the mounted position, make two sets of tuber pipes strike each other through promoting one of them tuber pipes, thereby make the front end of first shearing arm and second shearing arm pass in the flange hole of another set of tuber pipe, the front end of first shearing arm and second shearing arm is at the in-process that passes the flange hole of another set of tuber pipe, flange hole lateral wall will make first shearing arm and second shearing arm receive the extrusion, and make the spring compressed and hold power.

When the first sliding block of first shear force arm and second shear force arm front end, second sliding block and stopper pass the flange hole back of another group's tuber pipe completely, the pressure to first shear force arm and second shear force arm will be released to flange hole lateral wall, the spring rebounds this moment, and make first shear force arm and second shear force expand, stopper and angle steel flange piece on first shear force arm and the second shear force arm offset this moment and detain the angle steel flange piece and realize the back-locking and realize the high-speed joint with two sets of adjacent tuber pipes, need not to locate to connect two sets of tuber pipes at the high altitude like this, the effectual tuber pipe butt joint efficiency that has improved, construction safety has been improved simultaneously.

When hoist and mount the multiunit tuber pipe that assembles in advance to the eminence in this scheme, go up the jib and accomplish the back with the mutual overlap joint of lower jib, need not beat the rivet in the time of carrying out the butt joint, only need pass the angle steel ring flange of tuber pipe with the one end of the first arm of force of shearing and the second arm of force of shearing and can utilize the bounce force of spring and fasten angle steel flange fixed to reduce high altitude construction's time, improved the security and the efficiency of construction.

First sliding block and second sliding block can produce the mutual slip in first shearing arm of force and second shearing arm of force compressed or release in this scheme to ensure that first shearing arm of force and second shear arm of force expand or by the extrusion smoothly, and first sliding block and second sliding block make first shearing arm of force and second shear arm produce the compression and pass the flange hole of another a set of tuber pipe when being convenient for two sets of tuber pipes hit to connect, and can pin the reverse compressive force of spring and make the stopper buckle the flange and make two sets of tuber pipes realize the high-speed joint.

The butt joint unit of this scheme is worn to establish in this scheme through the flange hole at the angle steel flange of tuber pipe one end in advance, with the first sliding block of first shearing arm and second shearing arm front end, second sliding block and stopper pass the flange hole, after adjacent two sets of tuber pipes were hoisted to the mounted position, make two sets of tuber pipes strike each other through promoting one of them tuber pipes, thereby make the front end of first shearing arm and second shearing arm pass in the flange hole of another set of tuber pipe, the front end of first shearing arm and second shearing arm is at the in-process that passes the flange hole of another set of tuber pipe, flange hole lateral wall will make first shearing arm and second shearing arm receive the extrusion, and make the spring compressed and hold power.

When the first sliding block of first shear arm and second shear force arm front end, second sliding block and stopper pass the flange hole back of another group's tuber pipe completely, the pressure to first shear force arm and second shear force arm will be released to flange hole lateral wall, the spring bounce-back this moment, and make first shear force arm and second shear force expand, stopper and angle steel flange piece on first shear force arm and the second shear force arm offset this moment and detain the angle steel flange piece and realize the back lock and realize the high-speed joint with two sets of adjacent tuber pipes, need not to connect two sets of tuber pipes in high altitude like this, the effectual tuber pipe butt joint efficiency that has improved, construction safety has been improved simultaneously.

When hoist and mount multiunit tuber pipe that assembles in advance to the eminence in this scheme, go up the jib and the mutual overlap joint of lower jib is accomplished the back, need not beat the rivet when carrying out the butt joint, only need pass the angle steel ring flange of tuber pipe with the one end of first shearing arm of force and second shearing arm of force and can utilize the bounce of spring and fix the angle steel flange straining to reduce high altitude construction's time, improved the security and the efficiency of construction.

First sliding block and second sliding block can produce mutual slip in first shearing arm and second shearing arm compressed or release in this scheme to ensure the smooth expansion or the quilt extrusion of first shearing arm and second shearing arm, and first sliding block and second sliding block make first shearing arm and second shearing arm produce the compression and pass the flange hole of another a set of tuber pipe when being convenient for two sets of tuber pipes hit and connect, and can pin the reverse compressive force of spring and make the stopper buckle the flange and make two sets of tuber pipes realize the high-speed joint.

Further, the backup pad with the spliced pole slope sets up, just the backup pad with contained angle between the spliced pole upwards sets up, the connecting piece includes connecting plate and link plate down, the connecting plate with jib is connected perpendicularly down, the link plate with the connecting plate slope sets up, just the link plate with contained angle between the connecting plate sets up downwards.

Has the advantages that: backup pad and link plate all incline to set up in this scheme, have horizontal ascending limiting displacement each other when the link plate is hung in the backup pad like this, can make mutual overlap joint more stable.

Furthermore, the top end of the connecting column is connected with an upper guide plate, a guide opening is formed in the upper guide plate, and the hanging plate penetrates through the guide opening and is lapped on the supporting plate.

Has the advantages that: the setting of last baffle and direction mouth in this scheme can play direction and spacing effect to the both ends of link plate after the link plate is taken in the backup pad, avoids link plate roll-off backup pad to the jib and the lower complex stability between the jib can further be improved, thereby improve the stability that supports the tuber pipe.

Further, the sub-unit connection of spliced pole has the lower baffle, the one end that the spliced pole was kept away from to the lower baffle is the arc concave surface, link plate overlap joint back in the backup pad the arc concave surface of lower baffle can with jib contact down.

Has the advantages that: arc concave surface on the lower guide plate can contact with the outside of jib down in this scheme, and when carrying out the overlap joint cooperation to jib and last jib down like this, play the effect of direction to the motion of jib down, can also play the effect of support to jib down after last jib and lower jib overlap joint are successful simultaneously to improve the stability after the installation.

Furthermore, the connecting column is detachably connected with the lower part of the upper suspender, and the lower connecting piece is detachably connected with the upper part of the lower suspender.

Has the advantages that: so set up, it is more convenient to change or install spliced pole and connecting piece down in a flexible way according to the in-service use condition.

Further, go up the jib with the jib is the threaded rod down, the top and the bottom of spliced pole all are equipped with the upper nut, it passes in proper order to go up the jib the top and the bottom of spliced pole, two the upper nut all with go up jib threaded connection, the top and the bottom of connecting piece all are equipped with the lower nut down, the jib passes in proper order down the top and the bottom of connecting piece, and two the lower nut all with jib threaded connection down.

Has the advantages that: adopt nut and last jib and jib threaded connection's mode down in this scheme with the spliced pole spacing on last jib and will descend the connecting piece spacing under on the jib, this kind of connected mode is simple quick, and is with low costs, and the operation is also more convenient. In addition, the upper suspension rod and the lower suspension rod are threaded rods, so that the threaded parts of the upper suspension rod and the lower suspension rod are longer, the positions of two upper nuts and two lower nuts can be adjusted according to actual needs in the use process, the height positions of the connecting column and the lower connecting piece are adjusted, and the novel connecting rod is more practical.

An air duct installation method using the air duct installation device comprises the following steps:

A. determining the installation position: setting the trend of pipelines, and determining the number of groups of hoisting units and the number of groups of air pipes;

B. installing a hoisting unit: comprises the following steps of (a) carrying out,

b1, installing a plurality of groups of upper hanging rods in the hoisting units before lifting a ceiling or a beam, and enabling support plates on two upper hanging rods in each group of hoisting units to be arranged oppositely;

b2, connecting the cross arm with the lower suspension rods, and respectively connecting the two lower suspension rods in each group of hoisting units with two ends of the cross arm;

C. assembling an air pipe: the number of each group of air pipes is more than or equal to one, and more than two single air pipes in each group of air pipes are connected and fixed with each other in advance to form an integrated combined air pipe;

D. c, sequentially placing a plurality of groups of combined air pipes on the cross arm in the step B2, wherein each group of combined air pipes is at least placed on the cross arms of the two groups of hoisting units;

E. hoisting and fixing: sequentially hoisting and transporting a plurality of groups of combined air pipes to a mounting position by using a crane, and correspondingly lapping a lower connecting piece on a lower suspender in the same group of hoisting units on a supporting plate on an upper suspender to realize limiting;

F. butt joint of air pipes: and E, connecting and fixing the adjacent combined air pipes hoisted and placed at the installation positions in the step E through a butting unit.

And step E, sequentially fixing a plurality of lifting ropes on the crane on cross arms of a plurality of groups of hoisting units, starting the crane to lift the air pipes on the cross arms and the lower hoisting rods connected with the cross arms upwards and hoist the air pipes to the installation positions, and adjusting the positions of the air pipes on the installation positions through manual assistance to enable the lower connecting pieces on the lower hoisting rods in the same group of hoisting units to be aligned with the support plates on the upper hoisting rods and to be lapped on the support plates.

Furthermore, the butt joint unit comprises a first shearing force arm and a second shearing force arm which are arranged in a mutually crossed manner, the first shearing force arm and the second shearing force arm are rotatably connected, and a spring is connected between the rear end of the first shearing force arm and the rear end of the second shearing force arm; the front end of the first shearing force arm and the front end of the second shearing force arm are both vertically connected with limiting blocks, and the two limiting blocks are arranged back to back;

a first sliding block and a second sliding block are connected between the front end of the first shearing arm and the front end of the second shearing arm, one end of the first sliding block is rotationally connected with the first shearing arm, and one end of the second sliding block is rotationally connected with the second shearing arm;

the first sliding block and the second sliding block are both provided with arc-shaped sliding grooves, the other end of the second sliding block is connected with a sliding column, and the sliding column is inserted into the sliding groove of the first sliding block and can slide along the sliding groove of the first sliding block;

in the step C, both ends of the air pipe are connected with angle steel flanges, a plurality of flange holes are formed in the angle steel flanges, the front end of the first shearing force arm and the front end of the second shearing force arm in the butt joint unit penetrate through the flange holes in one end of the combined air pipe on the ground in advance, and the front ends of the first shearing force arm and the second shearing force arm are located on the same side as the end part of the air pipe;

and step F, pushing the two adjacent groups of combined air pipes to enable the two adjacent groups of combined air pipes to be mutually connected in a collision manner, wherein the front end of the first shearing force arm and the front end of the second shearing force arm on one group of combined air pipes are extruded to penetrate through the flange hole at the end part of the other group of combined air pipes, then the combined air pipes are reset under the action of a spring, and the limiting blocks on the first shearing force arm and the second shearing force arm are outwards unfolded and reversely buckled on the angle steel flange to realize the connection of the two adjacent groups of combined air pipes.

Has the advantages that: the air pipe mounting method utilizes the air pipe mounting device, the support hanger is divided into the upper hanger rod and the lower hanger rod by pre-mounting and connecting the lower hanger rod and the cross arm at the ground low-altitude position, so that the lower hanger rod and the cross arm can be connected at the ground low-altitude position, after the air pipe is hoisted to the mounting position, the air pipe can be supported at high altitude only by lapping the lower connecting piece of the lower hanger rod on the supporting plate of the upper hanger rod, in addition, the adjacent air pipes are mutually collided, the connection can be quickly realized under the action of the butt joint unit, so that the additional connecting step is not needed, and the high altitude operation time is effectively shortened.

And the installation method in this scheme can be simultaneously in batches handling tuber pipe, the effectual time that saves, and when transporting a plurality of tuber pipes, through at ground low latitude position with a plurality of tuber pipes built-up connection in advance, shorten later stage high altitude butt joint time and efficiency of tuber pipe.

Drawings

The accompanying drawings, which are included to provide a further understanding of the embodiments of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the principles of the invention. In the drawings:

fig. 1 is a perspective view of a plurality of air ducts after hoisting and installation in an embodiment 1 of the air duct installation apparatus of the present invention;

FIG. 2 is a perspective view of a hoisting unit in an embodiment 1 of the air duct installation apparatus of the present invention;

fig. 3 is a schematic view showing a state of installation and butt joint of a single air duct in embodiment 1 of the air duct installation apparatus of the present invention;

fig. 4 is a perspective view of two air ducts after hoisting and mounting are completed in embodiment 2 of the air duct mounting device of the present invention;

fig. 5 is a schematic view showing a state of two groups of air ducts in the air duct installation apparatus in the process of installing adjacent air ducts in a butt joint manner after being lifted;

FIG. 6 is a partial perspective view of an end mounting angle steel flange of an air hose in embodiment 2 of an air hose mounting device according to the present invention;

fig. 7 is a perspective view of the docking unit after the first shear arm and the second shear arm are unfolded in the docking unit according to embodiment 2 of the air duct mounting device of the present invention;

fig. 8 is a schematic view illustrating a state in which a first shear arm and a second shear arm in a docking unit are pressed by a flange hole in embodiment 2 of the air duct mounting device of the present invention;

fig. 9 is a schematic view of an instant state in which the front ends of the first shear arm and the second shear arm penetrate through flange holes of angle iron flanges at the end portions of the other group of air ducts in the process of mutually colliding two groups of adjacent air ducts in the air duct installation device according to embodiment 2 of the present invention.

Reference numbers and corresponding part names in the drawings:

the device comprises a beam 1, an air pipe 2, an angle steel flange 3, a flange hole 301, an upper suspension rod 401, a lower suspension rod 402, a lower guide plate 403, an upper guide plate 404, a connecting column 405, a guide opening 406, a supporting plate 407, a hanging plate 408, a connecting plate 409, a cross arm 5, a scissor lock 7, a first shearing arm 701, a limiting block 702, a second shearing arm 703, a spring 704, a connecting block 705, a first sliding block 706, a second sliding block 707, a sliding column 708 and a rotating shaft 709.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to examples and accompanying drawings, and the exemplary embodiments and descriptions thereof are only used for explaining the present invention and are not meant to limit the present invention.

Example 1

As shown in fig. 1 to 3, the present embodiment 1 provides a duct mounting device, including: the hoist and mount unit, the hoist and mount unit includes a gallows that cross arm 5 and two symmetries set up, and two gallows all include jib 402 down and fix the last jib 401 on roof beam 1, and the both ends of cross arm 5 are connected with two lower jibs 402 respectively, and cross arm 5 and jib 402 accessible welded fastening down also can realize being connected through the mode of can dismantling the connection between the two, and jib 402 can dismantle with cross arm 5 in this embodiment and be connected, and is specific: in this embodiment, threaded through holes are formed in the positions, close to the two ends of the cross arm 5 in the length direction, of the cross arm, and the lower hanging rod 402 penetrates through the threaded through holes and is in threaded fit with the threaded through holes, so that the lower hanging rod 402 is in threaded connection with the cross arm 5, and the connecting mode is simple and convenient, convenient to detach and replace and more practical.

As shown in fig. 2, the upper suspension rod 401 is connected with a connecting column 405, one side of the connecting column 405 is connected with a supporting plate 407, and in this embodiment, two supporting plates 407 in a group of hoisting units are symmetrically arranged, so that the lower suspension rod 402 can be conveniently lapped with the upper suspension rod 401 in a later period. In this embodiment, the connecting column 405 is a rectangular parallelepiped structure, the supporting plate 407 is a rectangular plate, the supporting plate 407 and the connecting column 405 are disposed in an inclined manner, and an included angle between the supporting plate 407 and the connecting column 405 is disposed upward, in this embodiment, the supporting plate 407 and the connecting column 405 are welded and fixed.

Be connected with down the connecting piece on the jib 402 down, down the connecting piece can the overlap joint in backup pad 407 and realize spacingly, specific: in this embodiment, the lower connecting member includes a connecting plate 409 and a hanging plate 408, the connecting plate 409 is vertically connected with the lower suspension rod 402, the hanging plate 408 and the connecting plate 409 are obliquely arranged, the hanging plate 408 and the connecting plate 409 are integrally formed or welded and fixed, an included angle between the hanging plate 408 and the connecting plate 409 is downward arranged, and the hanging plate 408 is a rectangular plate.

The top of spliced pole 405 is connected with last baffle 404 in this embodiment, has seted up guide way 406 on going up the baffle 404, and guide way 406 is the rectangle opening form, and link plate 408 can pass guide way 406 and take on backup pad 407, and the setting up of guide way 406 can play direction and spacing effect to link plate 408, avoids link plate 408 from backup pad 407's both sides roll-off to improve the stability after last jib 401 and the mutual overlap joint of jib. When the hanging plate 408 is placed on the support plate 407, the bottom end of the hanging plate 408 is positioned below the support plate 407, and thus most of the hanging plate 408 and the support plate 407 can be overlapped with each other, which can improve the stability between the upper suspension rod 401 and the lower suspension rod 402.

In this embodiment, the lower guide plate 403 is vertically connected to the lower portion of the connecting column 405, and in this embodiment, the lower guide plate 403 is welded and fixed to the connecting column 405. The one end that lower guide 403 kept away from spliced pole 405 is the arc concave surface, and the arc concave surface on lower guide 403 and the guide way 406 on the last baffle 404 are located the homonymy, and behind link plate 408 overlap joint on backup pad 407, the arc concave surface of lower guide 403 can contact with lower jib 402, can play the effect of support to lower jib 402 like this, makes lower jib 402 remain stable.

The spliced pole 405 can adopt fixed connection's mode (like the welding) also can adopt the mode of dismantling the connection with last jib 401, and spliced pole 405 can dismantle with the lower part of last jib 401 in this embodiment and be connected, and is specific: all be equipped with the nut on the top and the bottom of spliced pole 405, set up the through-hole of vertical setting on the spliced pole 405, go up jib 401 and pass the top and the bottom of spliced pole 405 in proper order, two go up the nut all with last jib 401 threaded connection, through two upper nuts of rotating, and make two upper nuts respectively the bottom of spliced pole 405 and the last baffle 404 at top support tightly to realize interconnect between spliced pole 405 and the last jib 401.

The mode that lower connecting piece and lower jib 402's upper portion also can adopt fixed connection, also can adopt the mode of dismantling the connection, and lower connecting piece can be dismantled with lower jib 402's upper portion in this embodiment and be connected, and is specific: the top end and the bottom end of the lower connecting piece are both provided with lower nuts, the lower suspension rod 402 sequentially penetrates through the top end and the bottom end of the lower connecting piece, the two lower nuts are respectively positioned at the top end and the bottom end of the connecting plate 409 in the embodiment, the two lower nuts are both in threaded connection with the lower suspension rod 402, and the connecting plate 409 is fixed on the lower suspension rod 402 by screwing the two lower nuts.

In this embodiment, the upper suspension rod 401 and the lower suspension rod 402 are threaded rods, so that the length of the threaded portions on the upper suspension rod 401 and the lower suspension rod 402 can be increased, the range of the positions of the adjusting connecting column 405 and the connecting plate 409 is larger, so that the connecting column 405 and the lower connecting piece can be adjusted according to actual conditions after the air pipe 2 is lifted and the upper suspension rod 401 and the lower suspension rod 402 are connected or before the air pipe 2 is lifted, the axial positions of the upper suspension rod 401 and the lower suspension rod 402 are adjusted according to the actual conditions, and therefore the height of the air pipe 2 at the installation position can be adjusted according to the actual conditions on site and the size of the air pipe 2, and the air pipe is more practical.

The air duct installation device in the embodiment further comprises a butt joint unit, the butt joint unit is used for connecting two adjacent air ducts 2, and the butt joint unit in the embodiment is a rivet.

The embodiment also discloses an air pipe installation method, wherein the air pipe installation device is required to be used in the installation method, and the installation method comprises the following steps:

A. determining the installation position: setting the trend of the pipeline, determining the number of groups of the hoisting units and the number of groups of the air pipes 2, and specifically: dividing the pipeline direction in advance by utilizing the BIM technology in the prior art, knowing how many sections of air pipes 2 are needed on one installation line and how many supporting hangers are needed, and then selecting a plurality of groups of hoisting units with corresponding quantity according to actual conditions;

B. installing a hoisting unit: comprises the following steps of (a) carrying out,

b1, installing upper suspenders 401 in a plurality of groups of hoisting units on a ceiling or a steel structure beam 1 in advance, specifically: the two upper suspension rods 401 in each group of hoisting units are symmetrically arranged on the beam 1 of a steel structure or a civil structure, so that the support plates 407 on the two upper suspension rods 401 in each group of hoisting units are arranged oppositely;

b2, connecting the cross arm 5 with the lower suspension rods 402, connecting the two lower suspension rods 402 in each group of hoisting units with two ends of the cross arm 5 in advance at a ground low-altitude position, respectively, installing two hanging plates 408 on the upper parts of the groups of symmetrical lower suspension rods 402 towards opposite two sides during installation, and correspondingly adjusting the installation positions of the lower suspension rods 402 according to actual requirements and the distance and the number between each group of hoisting units pre-installed on the beam 1 during installation;

C. assembling an air pipe: the number of each group of air pipes 2 is more than or equal to one, and the combined air pipes 2 which are formed by mutually connecting and fixing more than two single air pipes 2 in each group of air pipes 2 into a whole are hoisted in batch, namely, in the actual operation process, a single air pipe 2 can be adopted for hoisting as shown in fig. 3, or a plurality of sections of air pipes 2 can be assembled on the ground in advance, and then the plurality of sections of air pipes 2 are hoisted together with the lower hanger rod 402 and the cross arm 5, so that the operation mode is quicker, the time for butting the air pipes 2 at high altitude can be effectively reduced, and the danger is reduced;

D. a plurality of groups of combined air pipes 2 in the step C are sequentially placed on the cross arms 5 in the step B2, and each group of combined air pipes 2 is at least placed on the cross arms 5 of the two groups of hoisting units, so that the combined air pipes 2 are more stably supported;

E. hoisting and fixing: use the crane to hoist the mounted position to multiunit combination tuber pipe 2 in proper order to make the lower connecting piece on the lower jib 402 among the same group hoist and mount unit correspond the overlap joint and realize spacingly on the backup pad 407 on last jib 401, it is specific: the lifting ropes on the crane are sequentially fixed on the cross arms 5 of a plurality of groups of lifting units, the lifting ropes can be distributed at two ends of the cross arms 5 for more stable lifting, the crane is started to lift the air pipes 2 on the cross arms 5 and the lower lifting rods 402 connected with the cross arms 5 upwards and lift the air pipes to the mounting positions, the positions of the air pipes 2 on the mounting positions are adjusted through manual assistance, and the hanging plates 408 of the lower connecting pieces on the lower lifting rods 402 in the same group of lifting units are vertically aligned with the guide ports 406 and the supporting plates 407 on the upper lifting rods 401 and are erected on the supporting plates 407, so that the upper lifting rods 401 are directly lapped on the lower lifting rods 402 to realize connection, the air pipes 2 can be quickly lifted at the mounting positions at high altitude positions, the cross arms 5 are not required to be fixed on supporting hangers at high altitude as in the prior art, the time of high altitude operation is effectively reduced, the safety risk is reduced, the cross arms 5 are connected with the lower lifting rods 402 in an installing manner, and the high altitude installation period can be effectively reduced during lifting installation and the high altitude installation;

F. butt joint of air pipes: and E, connecting and fixing the adjacent combined air pipes 2 hoisted and placed at the mounting positions in the step E through the butting units, wherein after the multiple groups of combined air pipes 2 are hoisted to the mounting positions, the adjacent combined air pipes 2 are connected and fixed through riveting. The air duct 2 installation device in this embodiment can be applied to both the rectangular air duct 2 and the circular air duct 2.

The air pipe installation method in the embodiment can effectively shorten the high-altitude operation time, thereby reducing the danger of high-altitude operation and improving the installation efficiency.

Example 2

As shown in fig. 4, the present embodiment is different from embodiment 1 in that: an air duct installation device in this embodiment further includes a docking unit, the docking unit is used for connecting two adjacent air ducts 2, as shown in fig. 7, the docking unit includes a first shearing arm 701 and a second shearing arm 703 that are arranged in an intersecting manner, the first shearing arm 701 and the second shearing arm 703 are connected by a pin shaft in a rotating manner, a spring 704 is connected between the rear end of the first shearing arm 701 and the rear end of the second shearing arm 703, in this embodiment, a connecting block 705 is welded to both the rear end of the first shearing arm 701 and the rear end of the second shearing arm 703, the spring 704 is located between the two connecting blocks 705, and both ends of the spring 704 are respectively connected with the two connecting blocks 705 in a clamping manner or welded manner.

The front end of the first shearing arm 701 and the front end of the second shearing arm 703 are both vertically connected with a limiting block 702, and the two limiting blocks 702 are arranged in a back-to-back manner, so that an L-shaped structure is formed between the first shearing arm 701 and the limiting block 702 and between the second shearing arm 703 and the limiting block 702;

a first sliding block 706 and a second sliding block 707 are connected between the front end of the first shear arm 701 and the front end of the second shear arm 703, and one end of the first sliding block 706 and one end of the first shear arm 701, and one end of the second sliding block 707 and one end of the second shear arm 703 are rotatably connected through a rotating shaft 709.

First sliding block 706 and second sliding block 707 are the arc piece in this embodiment, first sliding block 706 and second sliding block 707 both sides are the arcwall face promptly, and the circular of first sliding block 706 and second sliding block 707 all is located the homonymy with spring 704, curved spout has all been seted up on first sliding block 706 and the second sliding block 707, the other end fixedly connected with sliding column 708 of second sliding block 707, and sliding column 708 is located the arc inslot of second sliding block 707, the one end of sliding column 708 inserts in first sliding block 706's the spout and can slide along first sliding block 706's spout, realized the cooperation of connecting through sliding column 708 between first sliding block 707 and the second sliding block 706.

As shown in fig. 7, the sliding column 708 on the second sliding block 707 is located on a side of the sliding slot on the first sliding block 706 away from the first shear arm 701 when the first shear arm 701 and the second shear arm 703 are not pressed by the outside.

As shown in fig. 5 and 6, angle iron flange 3 is all installed to the tip of tuber pipe 2, and has all seted up flange hole 301 along angle iron flange 3 all around, and it is shown in combination fig. 9 that flange hole 301 in this embodiment is trapezoidal hole, and the one end length of flange hole 301 and 3 tip levels of angle iron flange is the biggest, makes this flange hole 301 can insert this flange hole 301 to the front end of first shear force arm 701 in this embodiment, the front end of second shear force arm 703 and play the effect of direction.

The difference between the air duct installation method in this embodiment and embodiment 1 is that: in the step C, a docking unit is inserted into one end of each group of combined air pipes 2 on the ground in advance, in this embodiment, the docking unit is located at the right end of each group of combined air pipes 2, that is, the docking unit is uniformly installed at the same end of the combined air pipes 2, the front end of the first shearing force arm 701 and the front end of the second shearing force arm 703 penetrate through the flange hole 301 at the right end of the combined air pipe 2, and the front ends of the first shearing force arm 701 and the second shearing force arm 703 are located at the same side as the end of the right end of the air pipe 2, in this embodiment, eight flange holes 301 are formed in the angle iron flange 3, and the docking devices in this embodiment are respectively inserted into the eight flange holes 301;

in step F, when multiple groups of combined air ducts 2 are lifted to the installation position in sequence, and after the upper suspension rods 401 and the lower suspension rods 402 are smoothly lapped and fixed, the multiple groups of combined air ducts 2 are smoothly supported on the cross arm 5, and two adjacent groups of combined air ducts 2 are pushed to collide with each other, as shown in fig. 8 and 9, the front ends of the first shearing force arm 701 and the second shearing force arm 703 on one group of combined air ducts 2 are extruded and pass through the flange hole 301 at the end of the other group of combined air ducts 2, the front ends of the first shearing force arm 701 and the second shearing force arm 703 are extruded by the flange hole 301 and compressed and pass through the flange hole 301 without the butting unit, at this time, the spring 704 is compressed and stores force, after the front ends of the first shearing force arm 701 and the second shearing force arm 701 completely pass through the flange hole 301, the extrusion force arms on the side walls of the flange hole 301 are not extruded again, at this time, the spring 704 resets, and under the action of the spring 704, the first shearing force arm 701 and the second shearing force arm 703 are unfolded as shown in the state as shown in fig. 7, the adjacent groups of combined air ducts 701 and the adjacent groups of combined air ducts 2 are connected to the adjacent flange hole 702.

In the above-mentioned operation process, need not additionally to use fixing tool, if need not to adopt the riveter to beat the rivet around angle steel flange 3, only need promote two sets of tuber pipes 2 and realize the striking and can insert first shearing arm of force 701 and second shearing arm of force 703 front end in another set of flange hole 301 and realize the butt joint installation of adjacent two sets of combination tuber pipes 2, easy operation is convenient, has shortened high altitude construction's time greatly to the efficiency and the security of high altitude construction have been improved.

The above-mentioned embodiments, objects, technical solutions and advantages of the present invention are further described in detail, it should be understood that the above-mentioned embodiments are only examples of the present invention, and are not intended to limit the scope of the present invention, and any modifications, equivalent substitutions, improvements and the like made within the spirit and principle of the present invention should be included in the scope of the present invention.

Claims (10)

1. An air duct mounting device, comprising:

the hoisting unit comprises a cross arm and two symmetrically arranged support hangers, each support hanger comprises a lower suspender and an upper suspender fixed on the beam, and two ends of the cross arm are respectively connected with the two lower suspenders; the upper suspender is connected with a connecting column, one side of the connecting column is connected with a supporting plate, the lower suspender is connected with a lower connecting piece, and the lower connecting piece can be lapped on the supporting plate to realize limiting;

and the butt joint unit is used for connecting two adjacent air pipes.

2. The air duct mounting device according to claim 1, wherein the docking unit comprises a first shear arm and a second shear arm which are arranged to intersect with each other, the first shear arm and the second shear arm are rotatably connected to each other, and a spring is connected between the rear end of the first shear arm and the rear end of the second shear arm; the front end of the first shearing force arm and the front end of the second shearing force arm are both vertically connected with limiting blocks, and the two limiting blocks are arranged back to back;

a first sliding block and a second sliding block are connected between the front end of the first shearing arm and the front end of the second shearing arm, one end of the first sliding block is rotationally connected with the first shearing arm, and one end of the second sliding block is rotationally connected with the second shearing arm;

first sliding block with curved spout has all been seted up on the second sliding block, the other end of second sliding block is connected with the slip post, the slip post inserts in the spout of first sliding block and can along the spout of first sliding block slides.

3. The air duct installation device according to claim 1, wherein the support plate is disposed obliquely to the connection column, and an included angle between the support plate and the connection column is disposed upward, the lower connection member includes a connection plate and a hanging plate, the connection plate is vertically connected to the lower suspension rod, the hanging plate is disposed obliquely to the connection plate, and an included angle between the hanging plate and the connection plate is disposed downward.

4. The air duct mounting device according to claim 3, wherein an upper guide plate is connected to the top end of the connecting column, a guide opening is formed in the upper guide plate, and the hanging plate passes through the guide opening and is lapped on the supporting plate.

5. The air duct mounting device according to any one of claims 1 to 4, wherein a lower guide plate is connected to a lower portion of the connecting column, an end of the lower guide plate, which is away from the connecting column, is an arc-shaped concave surface, and the arc-shaped concave surface of the lower guide plate can be in contact with the lower suspension rod after the hanging plate is lapped on the supporting plate.

6. A duct mounting apparatus according to any one of claims 1-4, wherein said attachment post is removably attached to a lower portion of said upper boom and said lower attachment member is removably attached to an upper portion of said lower boom.

7. The air duct mounting device according to claim 6, wherein the upper boom and the lower boom are threaded rods, the top end and the bottom end of the connecting column are both provided with upper nuts, the upper boom sequentially passes through the top end and the bottom end of the connecting column, both of the upper nuts are in threaded connection with the upper boom, the top end and the bottom end of the lower connecting piece are both provided with lower nuts, the lower boom sequentially passes through the top end and the bottom end of the lower connecting piece, and both of the lower nuts are in threaded connection with the lower boom.

8. A method for installing an air duct using an air duct installation apparatus according to any one of claims 1 to 7, comprising the steps of:

A. determining the installation position: setting the direction of the pipeline, and determining the number of groups of hoisting units and the number of groups of air pipes;

B. installing a hoisting unit: comprises the following steps of (a) carrying out,

b1, installing a plurality of groups of upper hanging rods in the hoisting units before lifting a ceiling or a beam, and enabling support plates on two upper hanging rods in each group of hoisting units to be arranged oppositely;

b2, connecting the cross arm with the lower suspension rods, and respectively connecting the two lower suspension rods in each group of hoisting units with two ends of the cross arm;

C. assembling an air pipe: the number of each group of air pipes is more than or equal to one, and more than two single air pipes in each group of air pipes are connected and fixed with each other in advance to form an integrated combined air pipe;

D. sequentially placing a plurality of groups of combined air pipes in the step C on the cross arm in the step B2, wherein each group of combined air pipes is at least placed on the cross arms of the two groups of hoisting units;

E. hoisting and fixing: sequentially hoisting and transporting a plurality of groups of combined air pipes to the installation position by using a crane, and correspondingly lapping lower connecting pieces on lower hoisting rods in the same group of hoisting units on a supporting plate on an upper hoisting rod to realize limiting;

F. butt joint of air pipes: and E, connecting and fixing the adjacent combined air pipes hoisted and placed at the installation positions in the step E through a butting unit.

9. The method for installing the air duct according to claim 8, wherein in step E, a plurality of lifting ropes on the crane are sequentially fixed on the cross arms of the plurality of groups of hoisting units, the crane is started to lift the air duct on the cross arm and the lower boom connected with the cross arm upwards and hoist the air duct to the installation position, and the position of the air duct on the installation position is adjusted through manual assistance, so that the lower connecting piece on the lower boom in the same group of hoisting units is aligned with the support plate on the upper boom and is lapped on the support plate.

10. The air duct installation method according to claim 8, wherein the docking unit comprises a first shearing arm and a second shearing arm which are arranged in a mutually crossing manner, the first shearing arm and the second shearing arm are rotatably connected, and a spring is connected between the rear end of the first shearing arm and the rear end of the second shearing arm; the front end of the first shearing force arm and the front end of the second shearing force arm are both vertically connected with limiting blocks, and the two limiting blocks are arranged back to back;

a first sliding block and a second sliding block are connected between the front end of the first shearing arm and the front end of the second shearing arm, one end of the first sliding block is rotationally connected with the first shearing arm, and one end of the second sliding block is rotationally connected with the second shearing arm;

the first sliding block and the second sliding block are both provided with arc-shaped sliding grooves, the other end of the second sliding block is connected with a sliding column, and the sliding column is inserted into the sliding groove of the first sliding block and can slide along the sliding groove of the first sliding block;

in the step C, both ends of the air pipe are connected with angle steel flanges, a plurality of flange holes are formed in the angle steel flanges, the front end of the first shearing force arm and the front end of the second shearing force arm in the butt joint unit penetrate through the flange holes in one end of the combined air pipe on the ground in advance, and the front ends of the first shearing force arm and the second shearing force arm are located on the same side as the end part of the air pipe;

and step F, pushing the two adjacent combined air pipes to enable the two adjacent combined air pipes to be in collision joint with each other, wherein the front end of the first shearing force arm and the front end of the second shearing force arm on one combined air pipe are extruded to penetrate through the flange hole in the end part of the other combined air pipe, then resetting under the action of a spring, and limiting blocks on the first shearing force arm and the second shearing force arm are unfolded outwards and reversely buckled on the angle steel flange to realize the connection of the two adjacent combined air pipes.

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